PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-19500/89Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-082-4137 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-082-4137 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-082-4137. Primary manufacturer part number: MIL-S-19500/89.
Features
  • Transistor — FSC 5961
  • Mounting Method: THREADED STUD(S)
  • Specification/standard Data: 81349-MIL-S-19500 GOVERNMENT SPECIFICATION81349-MIL-S-19500 GOVERNMENT SPECIFICATION
  • Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Thread Series Designator: UNFUNF
  • Power Rating Per Characteristic: 20.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION20.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Electrode Internally-Electrically Connected to Case: COLLECTORCOLLECTOR
  • Semiconductor Material: GERMANIUMGERMANIUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-082-4137, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-082-4137
Primary Part NumberMIL-S-19500/89
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Mounting MethodTHREADED STUD(S)
Specification/standard Data81349-MIL-S-19500 GOVERNMENT SPECIFICATION81349-MIL-S-19500 GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Thread Series DesignatorUNFUNF
Power Rating Per Characteristic20.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION20.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Electrode Internally-Electrically Connected to CaseCOLLECTORCOLLECTOR
Semiconductor MaterialGERMANIUMGERMANIUM
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic-100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND -60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND -20.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC-20.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
Nominal Thread Size0.500 INCHES0.500 INCHES IN
Overall Width Across Flats0.740 INCHES MINIMUM AND 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM0.760 INCHES MAXIMUM IN
Mounting Facility Quantity11
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION100.0 CELSIUS JUNCTION DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-776-0964 INTERCHANGEABLE
Transistor
5961-00-821-8977 INTERCHANGEABLE
Transistor
5961-00-851-8293 INTERCHANGEABLE
Transistor
5961-00-881-0335 INTERCHANGEABLE
Transistor
5961-00-941-1914 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-S-19500/89 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN2N2559 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-776-0964INTERCHANGEABLE
TRANSISTOR
5961-00-821-8977INTERCHANGEABLE
TRANSISTOR
5961-00-851-8293INTERCHANGEABLE
TRANSISTOR
5961-00-881-0335INTERCHANGEABLE
TRANSISTOR
5961-00-941-1914INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-082-4137?

NSN 5961-00-082-4137 is a Transistor, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-082-4137?

NSN 5961-00-082-4137 has 2 cross-referenced part numbers: MIL-S-19500/89 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN2N2559 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-00-082-4137?

There are 5 known substitutes for 5961-00-082-4137: 5961-00-776-0964, 5961-00-821-8977, 5961-00-851-8293 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-19500/89?

Key specifications for MIL-S-19500/89: Mounting Method: THREADED STUD(S); Specification/standard Data: 81349-MIL-S-19500 GOVERNMENT SPECIFICATION81349-MIL-S-19500 GOVERNMENT SPECIFICATION; Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Thread Series Designator: UNFUNF. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com